20356959

素因数分解:

$3^1\times 7^1\times {\mathrm{607}}^1\times {\mathrm{1597}}^1$

素因数の和:2214

約数の個数: 16

約数和(自身を含む): 31090688

約数和(自身を除く): 10733729

約数列:

[1, 3, 7, 21, 607, 1597, 1821, 4249, 4791, 11179, 12747, 33537, 969379, 2908137, 6785653, 20356959]

約数ペア:

[(1, 20356959), (3, 6785653), (7, 2908137), (21, 969379), (607, 33537), (1597, 12747), (1821, 11179), (4249, 4791)]